A bystander with the memory of his past life is reborn, and the other comes from the 21st century; they are sincere to each other, but they all have their own little secrets; when interesting souls collide with each other, even if their identities are lost, they still walk hand in hand; is it a bond that spans thousands of years? Or are they destined to stay together? Let's see how "Little Prince Xiao" protects "Princess" from wind and rain, and how "Her Royal Highness" protects "Little Prince Xiao" from rainy days!
